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Evacuated Tubes and/or Solar diverter

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Evacuated Tubes and/or Solar diverter

Posted 24 Jan '19 12:37 PM

Hi All,

Have a project coming up with a three bedroom house that had planned on having evacuated tubes for a solar HW system feeding a 250l HWC.

Looking at solar diverters from PV too, and wondered if it would be overkill to have both, or should stick with a evacuated tube for efficiency, or a diverter because there's less to go wrong with it?

Any advice or experience?

RE: Evacuated Tubes and/or Solar diverter

Posted 24 Jan '19 12:37 PM

Thanks

RE: Evacuated Tubes and/or Solar diverter

Posted 11 Aug '20 04:27 PM

I would use a Heatpump HW cylinder.

The solar HW uses electricity during the winters. A heatpump does not use solar heating but the inherent advantages of the heatpump means that the annual usage of electricity is less than the solar HW.

If you still want to use evacuated tubes - - this could be used to preheat the water leading to the heatpump ( no electric element to it). Thus a best of both worlds
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